feat(ruff): add ruff plugin

plugins/ruff/ruff.plugin.zsh

@@ -0,0 +1,24 @@
+# Return immediately if ruff is not found
+if (( ! ${+commands[ruff]} )); then
+  return
+fi
+
+alias ruc='ruff check'
+alias rucf='ruff check --fix'
+alias ruf='ruff format'
+alias rufc='ruff format --check'
+alias rur='ruff rule'
+alias rul='ruff linter'
+alias rucl='ruff clean'
+alias ruup='ruff self update'
+
+# If the completion file doesn't exist yet, we need to autoload it and
+# bind it. Otherwise, compinit will have already done that.
+if [[ ! -f "$ZSH_CACHE_DIR/completions/_ruff" ]]; then
+  typeset -g -A _comps
+  autoload -Uz _ruff
+  _comps[ruff]=_ruff
+fi
+
+# Overwrites the file each time as completions might change with ruff versions.
+ruff generate-shell-completion zsh >| "$ZSH_CACHE_DIR/completions/_ruff" &|